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Access Control

Terakhir diperbarui:2024-02-02 15:51:37

    Feature Overview

    This document provides an overview of APIs and SDK code samples related to the access control lists (ACLs) for buckets and objects.
    Bucket ACL
    API
    Operation
    Description
    Setting a bucket ACL
    Sets an ACL for a bucket
    Querying a bucket ACL
    Queries the ACL of a bucket
    Object ACL
    API
    Operation
    Description
    Setting an object ACL
    Sets an ACL for an object (file) in a bucket
    Querying an object ACL
    Queries the ACL of an object (file)

    Bucket ACL

    Setting a bucket ACL

    Feature description

    This API is used to set the access control list (ACL) of a specified bucket.

    Method prototype

    func (s *BucketService) PutACL(ctx context.Context, opt *BucketPutACLOptions) (*Response, error)

    Sample request

    package main
    
    import (
    "context"
    "github.com/tencentyun/cos-go-sdk-v5"
    "net/http"
    "net/url"
    "os"
    )
    
    func main(){
    // Bucket name in the format of `BucketName-APPID` (`APPID` is required), which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket.
    // Replace it with your region, which can be viewed in the COS console at https://console.tencentcloud.com/. For more information about regions, visit https://www.tencentcloud.com/document/product/436/6224.
    u, _ := url.Parse("https://examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com")
    b := &cos.BaseURL{BucketURL: u}
    client := cos.NewClient(b, &http.Client{
    Transport: &cos.AuthorizationTransport{
    // Get the key from environment variables
    // Environment variable `SECRETID` refers to the user's `SecretId`, which can be viewed in the CAM console at https://console.tencentcloud.com/cam/capi.
    SecretID: os.Getenv("SECRETID"), // User `SecretId`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/37140?from_cn_redirect=1.
    // Environment variable `SECRETKEY` refers to the user's `SecretKey`, which can be viewed in the CAM console at https://console.tencentcloud.com/cam/capi.
    SecretKey: os.Getenv("SECRETKEY"), // User `SecretKey`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/37140?from_cn_redirect=1.
    },
    })
    // 1. Configure the bucket ACL through the request header
    opt := &cos.BucketPutACLOptions{
    Header: &cos.ACLHeaderOptions{
    // private, public-read, public-read-write
    XCosACL: "private",
    },
    }
    _, err := client.Bucket.PutACL(context.Background(), opt)
    if err != nil{
    panic(err)
    }
    // 2. Configure the bucket ACL through the request body
    opt = &cos.BucketPutACLOptions{
    Body: &cos.ACLXml{
    Owner: &cos.Owner{
    ID: "qcs::cam::uin/100000000001:uin/100000000001",
    },
    AccessControlList: []cos.ACLGrant{
    {
    Grantee: &cos.ACLGrantee{
    'Type': 'CanonicalUser'|'Group',
    Type: "RootAccount",
    ID: "qcs::cam::uin/100000760461:uin/100000760461",
    },
    'Permission': 'FULL_CONTROL'|'WRITE'|'READ'
    Permission: "FULL_CONTROL",
    },
    },
    },
    }
    _, err = client.Bucket.PutACL(context.Background(), opt)
    if err != nil{
    panic(err)
    }
    }

    Field description

    type ACLHeaderOptions struct {
    XCosACL string
    XCosGrantRead string
    XCosGrantWrite string
    XCosGrantFullControl string
    }
    Parameter
    Description
    Type
    Required
    XCosACL
    Sets the bucket ACL, such as private, public-read, and public-read-write
    String
    No
    XCosGrantFullControl
    Grants a specified account read and write access to a bucket. Format: id=" ",id=" ". To authorize a sub-account, use id="qcs::cam::uin/{OwnerUin}:uin/{SubUin}". To authorize a root account, use id="qcs::cam::uin/{OwnerUin}:uin/{OwnerUin}".
    Example: id="qcs::cam::uin/100000000001:uin/100000000011",id="qcs::cam::uin/100000000001:uin/100000000001"
    string
    No
    XCosGrantRead
    Grants a specified account read access to a bucket. Format: id=" ",id=" ". To authorize a sub-account, use id="qcs::cam::uin/{OwnerUin}:uin/{SubUin}". To authorize a root account, use id="qcs::cam::uin/{OwnerUin}:uin/{OwnerUin}".
    Example: id="qcs::cam::uin/100000000001:uin/100000000011",id="qcs::cam::uin/100000000001:uin/100000000001"
    string
    No
    XCosGrantWrite
    Grants a specified account write access to a bucket. Format: id=" ",id=" ". To authorize a sub-account, use id="qcs::cam::uin/{OwnerUin}:uin/{SubUin}". To authorize a root account, use id="qcs::cam::uin/{OwnerUin}:uin/{OwnerUin}".
    Example: id="qcs::cam::uin/100000000001:uin/100000000011",id="qcs::cam::uin/100000000001:uin/100000000001"
    string
    No
    ACLXML
    Grants a specified account access permission for a bucket. For more information on the format, see the response description of Get Bucket acl.
    struct
    No

    Querying a bucket ACL

    Feature description

    This API is used to query the ACL of a specified bucket.

    Method prototype

    func (s *BucketService) GetACL(ctx context.Context) (*BucketGetACLResult, *Response, error)

    Sample request

    package main
    
    import (
    "context"
    "github.com/tencentyun/cos-go-sdk-v5"
    "net/http"
    "net/url"
    "os"
    )
    
    func main(){
    // Bucket name in the format of `BucketName-APPID` (`APPID` is required), which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket.
    // Replace it with your region, which can be viewed in the COS console at https://console.tencentcloud.com/. For more information about regions, visit https://www.tencentcloud.com/document/product/436/6224.
    u, _ := url.Parse("https://examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com")
    b := &cos.BaseURL{BucketURL: u}
    client := cos.NewClient(b, &http.Client{
    Transport: &cos.AuthorizationTransport{
    // Get the key from environment variables
    // Environment variable `SECRETID` refers to the user's `SecretId`, which can be viewed in the CAM console at https://console.tencentcloud.com/cam/capi.
    SecretID: os.Getenv("SECRETID"), // User `SecretId`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/37140?from_cn_redirect=1.
    // Environment variable `SECRETKEY` refers to the user's `SecretKey`, which can be viewed in the CAM console at https://console.tencentcloud.com/cam/capi.
    SecretKey: os.Getenv("SECRETKEY"), // User `SecretKey`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/37140?from_cn_redirect=1.
    },
    })
    _, _, err := client.Bucket.GetACL(context.Background())
    if err != nil{
    panic(err)
    }
    }

    Response description

    The result of the request is returned through GetBucketACLResult.
    type ACLXml struct {
    Owner *Owner
    AccessControlList []ACLGrant
    }
    type Owner struct {
    ID string
    DisplayName string
    }
    type ACLGrant struct {
    Grantee *ACLGrantee
    Permission string
    }
    type ACLGrantee struct {
    Type string
    ID string
    DisplayName string
    URI string
    }
    Parameter
    Description
    Type
    Owner
    Information on the bucket owner, including DisplayName and ID
    struct
    AccessControlList
    Information on the authorized user granted with bucket permissions, including Grantee and Permission
    struct
    Grantee
    Information on the grantees, including DisplayName, Type, ID and URI
    struct
    Type
    Type of grantee. Valid values: CanonicalUser and Group
    string
    ID
    ID of the grantee when Type is CanonicalUser, in the format of qcs::cam::uin/[OwnerUin]:uin/[OwnerUin], for example, qcs::cam::uin/100000000001:uin/100000000001. This parameter is required when Type is CanonicalUser
    string
    DisplayName
    Name of the grantee. This parameter can be left empty or be consistent with the value of ID
    string
    URI
    URI of the preset user group when Type is Group, for example, http://cam.qcloud.com/groups/global/AllUsers. For more information, please see ACL Overview
    string
    Permission
    Bucket permission granted. Valid values: FULL_CONTROL (read and write), WRITE, and READ
    string

    Object ACL

    Setting an object ACL

    Feature description

    This API is used to set an ACL for an object.

    Method prototype

    func (s *ObjectService) PutACL(ctx context.Context, key string, opt *ObjectPutACLOptions) (*Response, error)

    Sample request

    package main
    
    import (
    "context"
    "github.com/tencentyun/cos-go-sdk-v5"
    "net/http"
    "net/url"
    "os"
    )
    
    func main(){
    // Bucket name in the format of `BucketName-APPID` (`APPID` is required), which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket.
    // Replace it with your region, which can be viewed in the COS console at https://console.tencentcloud.com/. For more information about regions, visit https://www.tencentcloud.com/document/product/436/6224.
    u, _ := url.Parse("https://examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com")
    b := &cos.BaseURL{BucketURL: u}
    client := cos.NewClient(b, &http.Client{
    Transport: &cos.AuthorizationTransport{
    // Get the key from environment variables
    // Environment variable `SECRETID` refers to the user's `SecretId`, which can be viewed in the CAM console at https://console.tencentcloud.com/cam/capi.
    SecretID: os.Getenv("SECRETID"), // User `SecretId`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/37140?from_cn_redirect=1.
    // Environment variable `SECRETKEY` refers to the user's `SecretKey`, which can be viewed in the CAM console at https://console.tencentcloud.com/cam/capi.
    SecretKey: os.Getenv("SECRETKEY"), // User `SecretKey`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/37140?from_cn_redirect=1.
    },
    })
    // 1. Configure through the request header
    opt := &cos.ObjectPutACLOptions{
    Header: &cos.ACLHeaderOptions{
    XCosACL: "private",
    },
    }
    key := "exampleobject"
    _, err := client.Object.PutACL(context.Background(), key, opt)
    if err != nil{
    panic(err)
    }
    // 2. Configure through the request body
    opt = &cos.ObjectPutACLOptions{
    Body: &cos.ACLXml{
    Owner: &cos.Owner{
    ID: "qcs::cam::uin/100000000001:uin/100000000001",
    },
    AccessControlList: []cos.ACLGrant{
    {
    Grantee: &cos.ACLGrantee{
    Type: "RootAccount",
    ID: "qcs::cam::uin/100000760461:uin/100000760461",
    },
    
    Permission: "FULL_CONTROL",
    },
    },
    },
    }
    _, err = client.Object.PutACL(context.Background(), key, opt)
    if err != nil{
    panic(err)
    }
    }

    Field description

    type ACLHeaderOptions struct {
    XCosACL string
    XCosGrantRead string
    XCosGrantWrite string
    XCosGrantFullControl string
    }
    Parameter
    Description
    Type
    Required
    key
    Object key, unique identifier of an object in a bucket. For example, if the object endpoint is examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com/doc/pic.jpg, its object key is doc/pic.jpg
    String
    Yes
    XCosACL
    Sets the object ACL, such as private, public-read
    string
    No
    XCosGrantFullControl
    Grants full permission in the format: id="[OwnerUin]"
    String
    No
    XCosGrantRead
    Grants read permission in the format: id="[OwnerUin]"
    String
    No
    ACLXML
    Grants the specified account bucket access permission. For more information on the format, see the response to the "GET object acl" request.
    struct
    No

    Querying an object ACL

    Feature description

    This API is used to query the ACL of an object.

    Method prototype

    func (s *ObjectService) GetACL(ctx context.Context, key string) (*ObjectGetACLResult, *Response, error)

    Sample request

    package main
    
    import (
    "context"
    "github.com/tencentyun/cos-go-sdk-v5"
    "net/http"
    "net/url"
    "os"
    )
    
    func main(){
    // Bucket name in the format of `BucketName-APPID` (`APPID` is required), which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket.
    // Replace it with your region, which can be viewed in the COS console at https://console.tencentcloud.com/. For more information about regions, visit https://www.tencentcloud.com/document/product/436/6224.
    u, _ := url.Parse("https://examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com")
    b := &cos.BaseURL{BucketURL: u}
    client := cos.NewClient(b, &http.Client{
    Transport: &cos.AuthorizationTransport{
    // Get the key from environment variables
    // Environment variable `SECRETID` refers to the user's `SecretId`, which can be viewed in the CAM console at https://console.tencentcloud.com/cam/capi.
    SecretID: os.Getenv("SECRETID"), // User `SecretId`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/37140?from_cn_redirect=1.
    // Environment variable `SECRETKEY` refers to the user's `SecretKey`, which can be viewed in the CAM console at https://console.tencentcloud.com/cam/capi.
    SecretKey: os.Getenv("SECRETKEY"), // User `SecretKey`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/37140?from_cn_redirect=1.
    },
    })
    key := "exampleobject"
    _, _, err := client.Object.GetACL(context.Background(), key)
    if err != nil{
    panic(err)
    }
    }

    Field description

    Parameter
    Description
    Type
    Required
    key
    Object key, the unique identifier of an object in a bucket. For example, if the object endpoint is examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com/doc/pic.jpg, its object key is doc/pic.jpg
    string
    Yes

    Response description

    type ACLXml struct {
    Owner *Owner
    AccessControlList []ACLGrant
    }
    type Owner struct {
    ID string
    DisplayName string
    }
    type ACLGrant struct {
    Grantee *ACLGrantee
    Permission string
    }
    type ACLGrantee struct {
    Type string
    ID string
    DisplayName string
    URI string
    }
    Parameter
    Description
    Type
    Owner
    Information on the bucket owner, including DisplayName and ID
    struct
    AccessControlList
    Information on the authorized user granted with bucket permissions, including Grantee and Permission
    struct
    Grantee
    Information on the grantees, including DisplayName, Type, ID and URI
    struct
    Type
    Type of grantee. Valid values: CanonicalUser and Group
    string
    ID
    ID of the grantee when Type is CanonicalUser, in the format of qcs::cam::uin/[OwnerUin]:uin/[OwnerUin], for example, qcs::cam::uin/100000000001:uin/100000000001. This parameter is required when Type is CanonicalUser
    string
    DisplayName
    Name of the grantee. This parameter can be left empty or be consistent with the value of ID
    string
    URI
    URI of the preset user group when Type is Group, for example, http://cam.qcloud.com/groups/global/AllUsers. For more information, please see ACL Overview
    string
    Permission
    Bucket permission granted. Valid values: FULL_CONTROL (read and write), WRITE, and READ
    string
    
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